Dear all,
  For two sets of random variables, say, x <-  rnorm(1000, 10, 10) and  y
<- rnorm(1000. 3, 20).
Is there any way to overlay the histograms (and density curves) of x and y
on the plot of y vs. x?
The histogram of x is on the x axis and that of y is on the y axis.
  The density curve here is to approximate the shape of the distribution
and does not have to have area 1.
   Thank you in advance.
      Hannah

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